Review Logs

Review Logs

Scan recent Claude Code session transcripts for recurring failure patterns and generate actionable recommendations.

Usage

/review-logs
/review-logs --days 7
/review-logs --project juggler
/review-logs --days 30 --verbose

Gotchas

• The --project filter is case-sensitive and must exactly match the directory name. --project MyApp vs my-app gives zero results with no indication of the mismatch.
• In repos with read-only git policies, every blocked git add/git commit appears as a failure, dominating results and obscuring real problems. Filter known-policy denials from the output.

Workflow

Step 1: Parse Arguments

Extract from $ARGUMENTS:

• --days N — lookback window (default: 14)
• --project <name> — filter to a specific project
• --verbose — include problematic session IDs for manual review

Step 2: Run Extraction Script

Find the script using Glob:

Glob pattern: **/review-logs/scripts/extract_signals.py
Path: ~/.claude

Run the extraction with the discovered path:

python3 <discovered-path>/extract_signals.py --days <N> [--project <name>] --output /tmp/review-logs-output.json

Step 3: Read and Analyze Output

Read /tmp/review-logs-output.json and present findings in severity order:

Step 4: Generate Recommendations

For each finding, produce a concrete fix — not vague advice. Examples:

Permission denial fix:

Add to settings.json allowlist:

"Bash(npm run build:*)"

Retry loop fix:

Add to CLAUDE.md:

When X fails, do not retry. Instead, check Y first.

Misbehavior fix:

Add to CLAUDE.md:

Do not use `gh api` for issue comments. Use `gh issue view <num> --comments` instead.

Step 5: Summary

End with a quick stats line:

Scanned {N} sessions across {M} projects ({date_range}). Found {errors} errors, {retries} retry loops, {denials} permission denials.

Examples

Basic 14-day scan:

/review-logs

Typical output:

## Critical: Retry Loops (3 patterns)
1. `npm run build` retried 4+ times in 6 sessions — model keeps re-running after TypeScript errors instead of fixing them
   → Add to CLAUDE.md: "When `npm run build` fails with type errors, fix the type errors before re-running."

## Actionable: Permission Denials (2 patterns)
1. `Bash(docker compose up)` denied 12 times across 4 sessions
   → Add to settings.json allowlist: "Bash(docker compose *)"

Scanned 47 sessions across 3 projects (2026-02-05 to 2026-02-19). Found 31 errors, 3 retry loops, 14 permission denials.

Project-filtered scan with longer window:

/review-logs --days 30 --project my-app --verbose

Troubleshooting

No sessions found:

• Check --days value — default is 14, increase if sessions are older
• Check --project filter — must match the project directory name exactly (case-sensitive)
• Verify sessions exist at ~/.claude/projects/

Script not found:

• The extraction script lives at <skill-dir>/scripts/extract_signals.py
• If Glob finds nothing, the skill may not be installed — re-clone or copy the review-logs skill folder into ~/.claude/*/claude/skills/

Output too noisy:

• Expected failures (e.g., git write commands blocked by read-only policy) can dominate results
• Use --project to narrow scope to the project you care about
• The script already applies top-N limits, but very active users may still see long output

Notes

• The extraction script uses only Python stdlib — no dependencies to install
• Sessions are at ~/.claude/projects/*/UUID.jsonl
• The script scans only that live tree, so sessions rotated out by retention silently do not appear — a "Scanned N sessions" line can be a bounded window, not the full history. Point the CLAUDE_DIR constant in extract_signals.py at a different root to scan an archived copy.
• Script filters by file mtime before opening files, so large directories are fast
• Output is capped at ~200-400 lines via top-N limits and truncation